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Find the magnitude of the impulse delivered to a football when aplayer kicks it with a force of 1275 N.Assume that the player's foot is in contact with the ball for0.00594 s.
kg · m/s
A closed system consists of 4 objects. Initially, object A has 137 J of energy, object B has 158 J of energy, object C has 127 J of energy, How much energy does object D have
An electron moves at a speed of 14000 m/s in a circular path of radius 2.4 cm in a solenoid. Find the strength of the magnetic field inside the solenoid
A 70 kg crate is pushed at constant speed up the frictionless 35° ramp shown in the figure. What horizontal force F is required? What force is exerted by the ramp on the crate
a golf ball rolls off a horizontal cliff with an initial speed of 13.0 ms. the ball falls a vertical distance of 13.0 m
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.20 cm into the river. What is the weight of the truck
The energy momentum relationship for the conduction band of a 3D semiconductor is: E= (h bar)^2/2m*[k(x)^2/2+k(y)^2+k(z)^2]
A cord of length 1.0m is fixed at both ends. Its mass per unit length is 1.2g/m and the tension is 11N. What is the frequency of fundamental oscillation
pat builds a track for his model car out of wood. the track is 7.00 cm wide 4.00 m long and 1.78 m high and is solid.
A long, thin, massless rod of length L rotates in a vertical plane about a frictionless pivot point. Find the speed of the mass at the bottom of the swing
Find the acceleration of gravity on the surface of Mercury and find the acceleration of gravity on the surface of Venus.
A small sphere with mass 2.60g hangs by a thread between two large parallel vertical plates 5.00cm apart. The plates are insulating and have uniform surface charge densities and . The charge on the sphere is = 8.70×10?6C . What potential differenc..
Fred (mass 72 kg) is running with the football at a speed of 5.8 m/s when he is met head-on by Brutus (mass 120 kg), who is moving at 4.0 m/s. How far do they slide
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